26783632768 has 32 divisors (see below), whose sum is σ = 53366706000. Its totient is φ = 13389636096.

The previous prime is 26783632763. The next prime is 26783632781. The reversal of 26783632768 is 86723638762.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26783632763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015978 + ... + 1042006.

Almost surely, 2^26783632768 is an apocalyptic number.

It is an amenable number.

26783632768 is a deficient number, since it is larger than the sum of its proper divisors (26583073232).

26783632768 is an equidigital number, since it uses as much as digits as its factorization.

26783632768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34082 (or 34070 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 58.

The spelling of 26783632768 in words is "twenty-six billion, seven hundred eighty-three million, six hundred thirty-two thousand, seven hundred sixty-eight".